NDLI: The dynamics of the thyristor turn-on process

Content Provider	IEEE Xplore Digital Library
Author	Adler, M.S. Temple, V.A.K.
Copyright Year	1977
Description	Author affiliation: General Electric Company, Schenectady, New York (Adler, M.S.)
Abstract	The study of the thyristor turn-on process has been an area of on-going study both theoretically and experimentally. The importance of the turn-on process occurs because of the desireability of achieving (at specific gate drive) a uniform turn-on line within a predictable turn-on delay and at a specific rate of increase of anode current. In spite of its importance, there is little information about the details of the turn-on process, particularly the early stages of the process, until the anode current begins to flow. The problem is that it is extremely difficult to monitor carrier levels within the device before they reach levels about $10^{16}cm^{-3},$ using any of the infrared emission or absorption techniques. At this point, however, the delay phase is over and the spread of the carrier plasma is well underway. In order to investigate the early phases of operation, a theoretical investigation was undertaken. For this paper, the four layer thyristor structure will be analyzed using exact numerical solutions of the full set of semiconductor device equations in two dimensions and time. Details of the model are available elsewhere (1). It will be shown that the turn-on process consists of an initial turn-on phase, a N base delay phase, a P base delay phase, and finally the anode current build up phase.
Starting Page	300
Ending Page	303
File Size	353639
Page Count	4
File Format	PDF
DOI	10.1109/IEDM.1977.189237
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1977-12-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thyristors Anodes Delay Electrons Cathodes Voltage Research and development Monitoring Infrared surveillance Electromagnetic wave absorption
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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